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The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur from September 21 to 24. At the equinox, the Sun as viewed from the equator rises due east and sets due west.
A solar equinox is a moment in time when the Sun crosses the Earth's equator, which is to say, appears directly above the equator, rather than north or south of the equator. On the day of the equinox, the Sun appears to rise "due east" and set "due west". This occurs twice each year, around 20 March and 23 September. [a]
March equinox. The March equinox[7][8] or northward equinox[9] is the equinox on the Earth when the subsolar point appears to leave the Southern Hemisphere and cross the celestial equator, heading northward as seen from Earth. The March equinox is known as the vernal equinox (spring equinox) in the Northern Hemisphere and as the autumnal ...
What Time Is the Fall Equinox 2023? The autumnal equinox will arrive at 2:50 a.m. Eastern Time. The equinox occurs at the exact same moment across the world. But because of varying time zones ...
In 2024, the autumnal equinox falls on Sunday, Sept. 22 at 8:43 a.m. EDT, the earliest start to astronomical fall since 1796, when it occurred on Sept. 22 at 3:27 a.m. LMT. While this equinox ...
Gabe Hauari, USA TODAY. September 20, 2024 at 12:41 PM. The leaves are changing colors, pumpkin-flavored menu items are back and football is on your TV. Fall is back, baby! The official first day ...
Some cultures regard the autumnal equinox as "mid-autumn", while others with a longer temperature lag treat the equinox as the start of autumn. [2] In the English-speaking world of high latitude countries, autumn traditionally began with Lammas Day and ended around Hallowe'en , the approximate mid-points between midsummer , the autumnal equinox ...
Central Time: Over in the Central time zone, the equinox is at 1:50 a.m. CDT on September 23. Mountain Time: If you happen to live in a Mountain time zone area, the equinox will arrive at 12:50 a ...